package com.example.xd.javatest.java_rx_test2;

import java.util.Observable;
import java.util.Observer;

/**
 * @auther XuDan on 2020/6/22.
 */
public class JavaObserver implements Observer {
    @Override
    public void update(Observable o, Object arg) {
        System.out.println(arg);
    }
}
